我收到以下错误:
Error 1 [rsInvalidAggregateScope] The Value expression for the text box
‘Textbox2’ has a scope parameter that is not valid for an aggregate function.
The scope parameter must be set to a string constant that is equal to either
the name of a containing group, the name of a containing data region, or
the name of a dataset.
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我的Textbox2背后的表达式(我添加了一些空格以便于阅读):
Iif(Parameters!ReportParameterPersoneelsNr.Value.Equals(String.Empty),
"Prestaties " + First(Fields!firmanaam.Value, "DataSetHrm") +
"(" + First(Fields!indienstfirmanr.Value, "DataSetHrm") + ")",
"Prestaties " + First(Fields!naam.Value, "DataSetHrm") + " " …Run Code Online (Sandbox Code Playgroud) aggregate concatenation reporting-services ssrs-2008 ssrs-expression
请考虑关注JSFiddle:
您可能会注意到:list-group-item完全崩溃了.我似乎无法让它自动调整.(例如height:auto;)
然而,当我提供css规则:height:20px;,然后调整行大小.如何使list-group-item的高度调整为内容大小?
感谢您的时间.
我不想维护几个BlockingCollections的列表
List<BlockingCollection<ExtDocument>> a = new List<BlockingCollection<ExtDocument>>();
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如果任何"队列"仍有待处理的项目,则检查子线程:
if (a.Where(x => x.IsAddingCompleted).Count > 0)
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如果列表中的项目数在初始化后没有变化(集合中的阻止列表的内容将改变其他情况......),则List<T>在这种情况下使用a 是线程安全的吗?
或者我应该选择array of BlockingCollection以下结构:
BlockingCollection<BlockingCollection<workitem>> a = new BlockingCollection<BlockingCollection<workitem>>();
Run Code Online (Sandbox Code Playgroud) 我遇到了JQuery和Internet Explore(IE)的问题.我添加行的方法似乎不适用于IE(Chrome和Firefox没有问题)
想象一下下表
<table border="1">
<tr>
<td><button class="btn">btn1a</button></td>
<td><button class="btn">btn1b</button></td>
<td>zever</td>
<td>zeverin pakskes</td>
</tr>
<tr>
<td><button class="btn">btn2a</button></td>
<td><button class="btn">btn2b</button></td>
<td>zever</td>
<td>zeverin pakskes</td>
</tr>
</table>
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要添加行(当用户单击"按钮"时),我执行以下方法
$(document).ready(function(){
$('.btn').on('click',function(){
var parentrow = $(this).parent().parent();
parentrow.after('<tr ><td colspan="4">Dit is een colspan rij</td></tr>');
});
});
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问题:我如何改变我的方法,以便它也适用于IE?(例如正在添加行)?
注意:我正在使用以下JQuery - 库
<script src="https://code.jquery.com/jquery.js"></script>
Run Code Online (Sandbox Code Playgroud) 我正在建立一个网站使用bootstrap.但我有点死路一条.我已经从给定的例子中创建了一个模态(见下文).正如您可能看到的,这是从他们的网站直接采取的模式.
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
<h4 class="modal-title" id="myModalLabel">Nieuwe Taak toevoegen</h4>
</div>
<div class="modal-body">
...
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary">Save changes</button>
</div>
</div>
</div>
</div>
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我用一个按钮打开这个对话框.
<button type="button" class="btn btn-default btn-sm" data-toggle="modal" data-target="#myModal" >
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但我想保持我的模态分开aspx/html-files.当它们保持不同时,我如何打开这些模态html/aspx - files?
例如:
如果按钮在里面index.Html但是模态在里面newTaskModal.html,我将如何打开模态?(如果两者都在index.html内,那么没有问题)
注意:我不/不能使用HTML5(公司标准)
让我先描述一下情况:
我有一个基本的控制器,看起来像这样:
public class SearchRequestController : ApiController
{
public IEnumerable<ObjectA> GetAllRequests() {...}
{}
public IEnumerable<ObjectA> GetLatestRequest() {...}
{}
}
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使用以下路由
public static void RegisterRoutes(RouteCollection routes)
{
routes.IgnoreRoute("{resource}.axd/{*pathInfo}");
routes.MapRoute(
name: "Default",
url: "{controller}/{action}/{id}",
defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional }
);
}
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我可以轻松地使用如下功能
Http://myServer/myvirtualdirectory/api/SearchRequest/GetAllRequests
Http://myServer/myvirtualdirectory/api/SearchRequest/GetLatestRequest
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现在我想添加以下控制器
public class UserController : ApiController
{
public IEnumerable<UserObject> SearchUsersByInput() {...}
}
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但是以下GET不起作用
Http://myServer/myvirtualdirectory/api/User/SearchUsersByInput
I'm getting a 405: {"Message":"The requested resource does not support http method 'GET'."}
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但是当我改变我的功能时,它可以工作如下:
public class …Run Code Online (Sandbox Code Playgroud) 我有以下一段代码,我似乎无法转换为 Jquery,有人可以帮助我。
纯JS工作代码:
var elements = document.getElementsByClassName("glyphicon glyphicon-comment");
for (var i = 0, length = elements.length; i < length; i++) {
$('#' + elements[i].id).tooltip();
}
}
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我的 Jquery 尝试(都不起作用):
尝试 1:
$(".glyphicon glyphicon-comment").tooltip();
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尝试 2:
$(".glyphicon glyphicon-comment").each( function() {
$(this).tooltip();
});
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按钮示例:
<span class="glyphicon glyphicon-comment" data-toggle="tooltip" data-placement="left" id="commentTask1" data-original-title="This is comments"></span>
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有人能发现我犯的错误吗?
感谢您的努力。
我正在SystemOutOfMemoryException创建一个数组.然而length我的阵列does not超过了Int32.MaxValue.
这是代码(请不要判断代码,不是我的代码至少7年)
Dim myFileToUpload As New IO.FileInfo(IO.Path.Combine(m_Path, filename))
Dim myFileStream As IO.FileStream
Try
myFileStream = myFileToUpload.OpenRead
Dim bytes As Long = myFileStream.Length //(Length is roughly 308 million)
If bytes > 0 Then
Dim data(bytes - 1) As Byte // OutOfMemoryException is caught here
myFileStream.Read(data, 0, bytes)
objInfo.content = data
End If
Catch ex As Exception
Throw ex
Finally
myFileStream.Close()
End Try
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根据这个问题" .NET数组的SO最大尺寸 ",这问题" 的阵列的最大lenght "的最大长度是2,147,483,647 elements Or Int32.MaxValue而且 …
我现在有一个的MemoryStream约为长度30000(Named memStream here)我希望读此的MemoryStream中chunks使用下面的代码(I拾起的净和改性有点):
byte[] chunk = new byte[4096];
bool hasNext = true;
while(hasNext)
{
int index = 0;
while (index < chunk.Length)
{
int bytesRead = memStream.Read(chunk, index, chunk.Length - index);
if (bytesRead == 0)
{
break;
}
index += bytesRead;
//Do something with this chunk
}
if (index != 0) // Our previous chunk may have been the last one
{
//Do something with the last chunk
}
if …Run Code Online (Sandbox Code Playgroud) 我正在计算几台服务器上的CPU使用率.但计算非常非常缓慢.
到目前为止,这是我的代码:
While it <= 5
Dim myOptions As New ConnectionOptions
myOptions.Username = _myParameters("user")
myOptions.Password = _myParameters("password")
Dim myRoot As String = "\\" & _myParameters("server") & "\root\cimv2"
Dim myScope As New ManagementScope(myRoot, myOptions)
Dim myQuery As New ObjectQuery(String.Format("select * from Win32_Processor"))
Dim mySearcher As New ManagementObjectSearcher(myScope, myQuery)
Dim myCollection As ManagementObjectCollection = mySearcher.Get
For Each OS As ManagementObject In myCollection
values.Add(OS("LoadPercentage"))
Next
Threading.Thread.Sleep(100) //Set some time between two calculations
itCounter += 1
End While
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代码每次都挂起
For Each OS As ManagementObject …Run Code Online (Sandbox Code Playgroud) .net ×3
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html ×3
javascript ×3
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vb.net ×2
aggregate ×1
arrays ×1
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cpu-usage ×1
css ×1
html-table ×1
io ×1
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performance ×1
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